ignore sendonly on sip calls that are not answered

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8832 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -1895,7 +1895,7 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, sdp_session_t *
 		}
 	}
 
-	if (sendonly) {
+	if (sendonly && switch_channel_test_flag(channel, CF_ANSWERED)) {
 		if (!switch_test_flag(tech_pvt, TFLAG_SIP_HOLD)) {
 			const char *stream;